LaserLyte Laser Bore Sight .22-50 MBS-1 saves you time, money, and ammunition! One-piece design and caliber-fitting system, This easy-to-use laser bore sight can get a shooter within three to four inches of the bulls-eye at 100 yards in about three shots. Constructed from tough T6 aluminum, the LaserLyte Laser Bore Sight comes in a sleek red finish and works great on any weapon with at least three inches of barrel length.